package com.heima.behavior.service.imp;

import com.alibaba.fastjson.JSON;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApLikesBehaviorService;
import com.heima.common.constants.article.HotArticleConstants;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.LikesBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApLikesBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.mess.app.UpdateArticleMess;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.util.Date;
import java.util.List;

/**
 * @作者 Azer
 * @创建日期 2021/11/27 15:04
 **/
@Service
@Slf4j
public class ApLikesBehaviorServiceImpl implements ApLikesBehaviorService {
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;

    @Autowired
    MongoTemplate mongoTemplate;

    @Autowired
    RabbitTemplate rabbitTemplate;


    @Override
    public ResponseResult like(LikesBehaviorDTO dto) {


//        ApLikesBehavior apLikesBehavior = new ApLikesBehavior();
        // 1. 校验参数
//​       点赞需要登录
        ApUser apUser = AppThreadLocalUtils.getUser();
        if (apUser == null) {
            CustException.cust(AppHttpCodeEnum.DATA_NOT_EXIST, "需要登录才能够进行该操作");
        }
//​       校验文章id不能为空     使用注解校验
//​        校验点赞方式 只能是0 或 1   使用注解校验

        // 2. 根据当前登录用户id查询行为实体对象
        Integer apUserId = apUser.getId();
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(apUserId, dto.getEquipmentId());


        Query query = Query.query(Criteria.where("articleId").is(dto.getArticleId()).and("entryId").is(apBehaviorEntry.getId()));

        ApLikesBehavior likesBehavior = mongoTemplate.findOne(query, ApLikesBehavior.class);

        // 3. 如果是点赞操作  判断是否已经点过赞
        if (dto.getOperation() == (short) 0 && likesBehavior == null) {
            // 4. 没有点过赞则 像mongo点赞集合中 添加点赞数据
            likesBehavior=new ApLikesBehavior();
            likesBehavior.setEntryId(apBehaviorEntry.getId());
            likesBehavior.setArticleId(dto.getArticleId());
            likesBehavior.setType(dto.getType());
            likesBehavior.setOperation(dto.getOperation());
            likesBehavior.setCreatedTime(new Date());
            mongoTemplate.save(likesBehavior);

            log.info("点赞成功");
//            return ResponseResult.okResult();

        }
        // 5. 如果是取消点赞操作  在mongo点赞集合中 删除对应点赞数据
        if (dto.getOperation() == (short) 1 && likesBehavior != null) {
            mongoTemplate.remove(query, ApLikesBehavior.class);
            log.info("取消点赞成功");

//            return ResponseResult.okResult();
        }
        //*****添加文章点赞-发送消息******
        // =======================新加代码==========================
        UpdateArticleMess mess=new UpdateArticleMess();

        mess.setType(UpdateArticleMess.UpdateArticleType.LIKES);
        mess.setArticleId(dto.getArticleId());
        mess.setAdd(dto.getOperation()==0?1:-1);

        rabbitTemplate.convertAndSend(HotArticleConstants.HOT_ARTICLE_SCORE_BEHAVIOR_QUEUE, JSON.toJSONString(mess));
        log.info("点赞行为 发送消息 ==>{}",JSON.toJSONString(mess));
        // =======================新加代码==========================


        return ResponseResult.okResult();
    }
}
